96--5的两道

xkfy0521

7.In the fourteenth century,___that glass coated with silver nitrate would turn yellow when fired in an oven.

A. the discovery   B. it was discovered      C. with the discovery    D. if it was discovered

答案是B，偶选了A，选B是因为是强调句还是什么原因啊？

15. Oceans contiually lose by evaporation much of the river water___.

A. to constantly flow into them       B. is constantly flowing into them

C. constantly flows into them           D. constantly flowing into them

这题选D，不过句子总觉得不通顺evaporation又much of.

C. constantly flows into them          D. constantly flowing into them

xkfy0521

太感谢，太感谢了。。。。。